EP2799818A2 - System und Verfahren zur grafischen Darstellung von Wetterrisiken in einer Perspektivenansicht - Google Patents

System und Verfahren zur grafischen Darstellung von Wetterrisiken in einer Perspektivenansicht Download PDF

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Publication number
EP2799818A2
EP2799818A2 EP14165276.8A EP14165276A EP2799818A2 EP 2799818 A2 EP2799818 A2 EP 2799818A2 EP 14165276 A EP14165276 A EP 14165276A EP 2799818 A2 EP2799818 A2 EP 2799818A2
Authority
EP
European Patent Office
Prior art keywords
weather
flight
symbol
hazard
altitude
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14165276.8A
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English (en)
French (fr)
Other versions
EP2799818A3 (de
Inventor
Sadguni Venkataswamy
Swetha Balasa
Shashidhara Veerabhadraiah
Shyma Prakash Yattukallu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Publication of EP2799818A2 publication Critical patent/EP2799818A2/de
Publication of EP2799818A3 publication Critical patent/EP2799818A3/de
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C23/00—Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W2203/00—Real-time site-specific personalized weather information, e.g. nowcasting

Definitions

  • Embodiments of the subject matter described herein relate generally to avionics display systems. More particularly, embodiments of the subject matter described herein relate to a system and method for graphically displaying weather hazards in a perspective view.
  • a method for graphically displaying a weather hazard comprises retrieving weather information from a database and determining the severity of a weather hazard present within a predetermined distance. Then the weather symbology graphically representative of the severe weather hazard within a weather envelope is rendered on a display.
  • FIG. 1 is a simplified representation of a display system 100 for purposes of explanation and ease of description and is not intended to limit the application or scope of the subject matter in any way.
  • the display system 100 and/or the aircraft will include numerous other devices and components for providing additional functions and features, as will be appreciated in the art.
  • the display system 100 and/or the aircraft may include one or more avionics systems (e.g., an air traffic management system, a radar system, a traffic avoidance system) coupled to the flight management system 108 and/or the controller 112 for obtaining and/or providing real-time flight-related information that may be displayed on the display device 102.
  • avionics systems e.g., an air traffic management system, a radar system, a traffic avoidance system
  • the display device 102 is coupled to the graphics module 114.
  • the graphics module 114 is coupled to the controller 112, and the controller 112 and the graphics module 114 are cooperatively configured to display, render, or otherwise convey graphical representations or images of weather symbols and flight plan information on the display device 102.
  • navigational system 104 includes an inertial reference system 118, a navigation database 120, and at least one wireless receiver 122. Inertial reference system 118 and wireless receiver 122 provide controller 112 with navigational information derived from sources onboard and external to the host aircraft, respectively.
  • wireless receiver 122 may also periodically receive Automatic Dependent Surveillance-Broadcast (ADS-B) data from neighboring aircraft.
  • ADS-B Automatic Dependent Surveillance-Broadcast
  • wireless receiver 122 assumes the form of a multi-mode receiver (MMR) having global navigational satellite system capabilities.
  • the controller 112 and/or graphics module 114 are configured in an exemplary embodiment to display and/or render symbology on the display device 102 that is representative of the weather. This allows a user (e.g., via user interface 110) to gain a better understanding of an approaching weather hazard. In addition, the user can review various aspects (e.g., speed of the aircraft, estimated flight time, rates of ascent/descent, flight levels and/or altitudes, and the like) of the flight.
  • the controller 112 generally represents the hardware, software, and/or firmware components configured to facilitate the display and/or rendering of a navigational map on the display device 102 and perform additional tasks and/or functions described in greater detail below.
  • the controller 112 includes processing logic that may be configured to carry out the functions, techniques, and processing tasks associated with the operation of the display system 100, as described in greater detail below. Furthermore, the steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in firmware, in a software module executed by the controller 112, or in any practical combination thereof.
  • the weather envelope 226 is defined by a lateral distance from the flight path. This distance may be set equal to the required navigation performance (RNP) width or may be set by the pilot.
  • RNP refers to nautical distance in miles in a circular radius from the aircraft. For example, an RNP of 10 means a circular distance of ten miles from the aircraft.
  • Different airspaces the aircraft may enter may have different RNP requirements, some oceanic airspace have an RNP of four, while landing approach paths may have an RNP of one tenth.
  • the pilot may reduce the weather envelope in severe weather, which may decrease the number of weather symbols that are displayed to de-clutter the display. In addition, the pilot may increase the weather envelope, to gain a better understanding of the surrounding weather hazards.
  • the weather module 105 ( FIG. 1 ) accomplishes this by weighing the severity of each weather hazard in relation to the phase of the flight.
  • the flight of the aircraft may be split into multiple different phases, for example takeoff, below 10,000 feet, above 10,000 feet, approach, and landing. For example, winds are weighted more heavily during takeoff/landing phases, since the presences of strong winds could cause flight incidents. If other weather hazards are present within the weather envelope and are not displayed, the symbology that is graphically represented may be altered (i.e.
  • the weather symbology 204 is comprised of a weather symbol 222 and a tether line 224.
  • the weather symbol 222 indicates to the user the type of weather condition. The meaning of each weather symbol 222 will be discussed in greater detail in connection with FIGS. 5 and 6 .
  • the tether line 224 indicates to the user the minimum and maximum altitudes of the weather hazard.
  • the weather symbol 222 is placed at the central point of the tether line 224 to illustrate where the weather hazard may be the most severe.
  • the thunderstorm symbol 228 is placed in the middle of the tether line 224.
  • the weather symbology 204 may increase the situational awareness of the pilot by indicating the type and altitude range of the weather hazards in a readily comprehensible manner.
  • the weather symbol 222 may be graphically rendered on display 102 ( FIG. 1 ) at the minimum or maximum altitude of the weather hazard.
  • the weather symbol 222 may be rendered below the flight altitude symbol (e.g. displayed as a star, diamond, or any other suitable shape) 308, if the waypoint altitude 312 is above the maximum altitude of the weather hazard.
  • the weather symbol 222 may be rendered above the flight altitude symbol 308, if the waypoint altitude 312 is below the minimum altitude of the weather hazard.
  • the altitude of the flight path shown in FIG. 2 is approximately 3,320 feet, as shown by the altitude scale or tape 212 and the maximum altitude of the weather hazard is at a lower altitude.
  • the lighting symbol 230 is rendered above the tether line 224. This permits the pilot to efficiently interpret the type and altitude of weather hazards that are closest to the flight path.
  • the weather symbols shown in connection with waypoints 304 and 306 illustrate how the weather symbols may be placed at heights to represent the central point of the weather hazards.
  • the weather symbol 314 is attached to a waypoint 304 indicating that a rain hazard is centered in the flight path and the altitude of the central point of the rain hazard is at an altitude higher than the flight path. This is shown by placing symbol 304 above the flight altitude symbol 308. Overall, this permits the pilot to further appreciate or gain a better understanding of the current weather hazards.
  • FIG. 4 is an exemplary illustration of graphical display comprising a navigational map and symbology depicting icing along the flight path.
  • the display 400 selectively renders symbology representing flight path 402 and weather symbology 404 that may enhance the situational awareness of the flight crew.
  • the terrain symbology 406 can include any representation of the environment surrounding the aircraft, including a three-dimensional, perspective view as depicted in this embodiment.
  • the flight path 402 curves to the left before approaching a landing area 408. If a weather hazard is present in the flight path over an extended predetermined distance, the weather module 105 ( FIG. 1 ) may alter the graphical depiction of the flight path.
  • the graphical depiction of the flight path 202 is altered from a continuous line (as shown in FIG. 2 ) to a dashed line to indicate the presents of a weather hazard over an extended predetermined distance.
  • FIG. 4 illustrates an icing weather hazard located in the flight path over an extended distance. This is shown by placing the icing weather symbol 412 at the location the aircraft will first encounter the weather hazard. The flight path 402 is then altered to a non-continuous line from the location of the weather symbol 412 to a landing area 408. It should be appreciated that all weather hazards that present over an extended predetermined distance may alter the graphical representation of the flight path.
  • the length of the extended predetermined distance may be set by the designer or the pilot.
  • the flight path information 402 may be altered to any suitable alternative, such as, a dashed line, colored line, checkered line, varying weights/pattern lines, highlighted line, etc. to depict the presents of a weather hazard.
  • the flight path 402 and weather symbology 404 may be traced along the terrain 406 to provide a more convenient and intuitive display of the flight path.
  • the flight path 402 and weather symbology 404 does not clutter the display, obscuring other information from the pilot, such as terrain, traffic, ADS-BIN information, etc.
  • the flight path 402 and/or weather symbology 404 can be selectively displayed, for example, as desired by the pilot and/or as a function of flight conditions.
  • the flight path 402 can appear when the direction of the flight path changes, when the aircraft is significantly off of the intended flight plan, during approach, and/or at low altitudes.
  • the weather symbology 404 may be displayed if the current weather conditions change or increase in severity.
  • FIGS. 5 and 6 are tables of weather symbols that may be used to depict various weather hazards in accordance with an exemplary embodiment.
  • table 500 contains examples of symbols to represent weather hazarders such as thunderstorms 502, lightning 504, hail 506, icing 508, snow 510, rain 512, frozen rain 514, and drizzle 518. In the different embodiments described above, these symbols may take the form of solid filled figures, become part of the flight path, or may include additional or fewer features than those illustrated.
  • table 600 provides examples of symbols that represent weather hazards such as, convection 602, cyclones/tornado 604, volcanic ash 604, hurricanes 606, and precipitation 608.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Traffic Control Systems (AREA)
  • Instructional Devices (AREA)
EP14165276.8A 2013-05-03 2014-04-17 System und Verfahren zur grafischen Darstellung von Wetterrisiken in einer Perspektivenansicht Withdrawn EP2799818A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/886,347 US20140331161A1 (en) 2013-05-03 2013-05-03 System and method for graphically displaying weather hazards in a perspective view

Publications (2)

Publication Number Publication Date
EP2799818A2 true EP2799818A2 (de) 2014-11-05
EP2799818A3 EP2799818A3 (de) 2014-11-19

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EP14165276.8A Withdrawn EP2799818A3 (de) 2013-05-03 2014-04-17 System und Verfahren zur grafischen Darstellung von Wetterrisiken in einer Perspektivenansicht

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US (1) US20140331161A1 (de)
EP (1) EP2799818A3 (de)
CN (1) CN104133256A (de)

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EP3023741B1 (de) * 2014-11-18 2018-08-15 Honeywell International Inc. System und verfahren zur exozentrischen anzeige von integrierter navigation
CN110310501A (zh) * 2019-06-26 2019-10-08 南京信息工程大学 一种机动车高速公路团雾监测预报方法

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JP6348326B2 (ja) * 2014-04-16 2018-06-27 株式会社ミツトヨ 測定器用表示装置、測定器、測定値のアナログ表示方法、及びプログラム
US9666084B2 (en) * 2014-12-19 2017-05-30 Rockwell Collins, Inc. Display and control of time evolved conditions relative to a vehicle
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EP3023741B1 (de) * 2014-11-18 2018-08-15 Honeywell International Inc. System und verfahren zur exozentrischen anzeige von integrierter navigation
CN110310501A (zh) * 2019-06-26 2019-10-08 南京信息工程大学 一种机动车高速公路团雾监测预报方法
CN110310501B (zh) * 2019-06-26 2021-06-25 南京信息工程大学 一种机动车高速公路团雾监测预报方法

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CN104133256A (zh) 2014-11-05
US20140331161A1 (en) 2014-11-06
EP2799818A3 (de) 2014-11-19

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